diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c
index 9ad7891ff293..1cec91b01c17 100644
--- a/sys/i386/i386/vm_machdep.c
+++ b/sys/i386/i386/vm_machdep.c
@@ -45,9 +45,6 @@ __FBSDID("$FreeBSD$");
 
 #include "opt_isa.h"
 #include "opt_npx.h"
-#ifdef PC98
-#include "opt_pc98.h"
-#endif
 #include "opt_reset.h"
 #include "opt_cpu.h"